When I try to compile my map in Tool, it gives me this error,

05.15.10 11:27:58 tool pc 01.00.00.0609 ----------------------------------------------
05.15.10 11:27:58 reference function: _write_to_error_file
05.15.10 11:27:58 reference address: 42ca20
05.15.10 11:27:58 Couldn't read map file './toolbeta.map'
05.15.10 11:27:59 EAX: 0x00000000
05.15.10 11:27:59 EBX: 0x00000001
05.15.10 11:27:59 ECX: 0x00000000
05.15.10 11:27:59 EDX: 0x00000000
05.15.10 11:27:59 EDI: 0x0017A168
05.15.10 11:27:59 ESI: 0x00000000
05.15.10 11:27:59 EBP: 0x0017A040
05.15.10 11:27:59 ESP: 0x0017A034
05.15.10 11:27:59 EIP: 0x77B4A45E, C2 08 00 8D ?????
05.15.10 11:27:59 EXCEPTION halt in \halopc\haloce\source\tag_files\tag_groups.c,#3157: #1 is not a valid bitmap_data_block index in [#0,#1)


I don't know what that means or how to fix it, can anyone help?
Big thanks, HaloTrial1

corrupted tag maybe?

a corrupted bitmap on gbxmodel, model animation or bsp.
unfortunatly this error code can't help